/**
 * Copyright (C), 2020, Y2 T205
 * FileName: OrderWebController
 * Author: Lenovo
 * Date: 2020-05-27 19:28
 * Description:
 * History:
 * <author> <time> <version> <desc>
 * 作者姓名 修改时间 版本号 描述
 */


package com.atguigu.gulimall.order.web;


import com.atguigu.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.concurrent.ExecutionException;

/**
 * 〈一句话功能简述〉<br>
 * 〈〉
 *
 * @author Lenovo
 * @create 2020-05-27
 * @since 1.0.0
 */
@Controller

public class OrderWebController {

    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model, HttpServletRequest request) throws ExecutionException, InterruptedException {
       OrderConfirmVo confirmVo= orderService.confirmOrder();
       model.addAttribute("orderConfirmData",confirmVo);
        return "confirm";
    }

    /*下单功能*/
    @PostMapping("submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){

//        去创建订单，验证令牌， 验证价格， 锁定库存
//        下单成功来到支付选择页
//        下单失败回到订单确认页重新确认信息
      try{
          SubmitOrderResponseVo responseVo=orderService.submitOrder(vo);
//      下单失败回到订单确认页重新确认订单信息
          System.out.println("订单提交的数据。。"+vo);
          if(responseVo.getCode()==0){
//          下单成功来到支付选择页
              model.addAttribute("submitOrderResp",responseVo);
              return "pay";
          }else{
              String msg="下单失败";
              switch (responseVo.getCode()){
                  case 1: msg+="订单信息过期，请刷新再次提交";break;
                  case 2: msg+="订单商品价格发生变化，请确认再次提交";break;
                  case 3: msg+="库存锁定失败，商品库存不足";break;

              }
              redirectAttributes.addFlashAttribute("msg",msg);
              return "redirect:http://order.gulimall.com/toTrade";
          }
      }catch(Exception e){
          if(e instanceof NoStockException){
              String message=((NoStockException)e).getMessage();
              redirectAttributes.addFlashAttribute("msg",message);
          }

          return "redirect:http://order.gulimall.com/toTrade";
      }






    }

}
